write_cd_rules: identity-based persistence

[elogind.git] / udevtest.c

diff --git a/udevtest.c b/udevtest.c
index f24c7e4ba5aecfe4c4497edf9cfe2900dd9460e6..2854f7558ff3cd8a9c75b5dd2ccce38e10682376 100644 (file)
--- a/udevtest.c
+++ b/udevtest.c
@@ -1,9 +1,6 @@
 /*
- * udev.c
- *
- * Userspace devfs
- *
- * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org>
  *
  *     This program is free software; you can redistribute it and/or modify it
  *     under the terms of the GNU General Public License as published by the
@@ -16,35 +13,32 @@
  * 
  *     You should have received a copy of the GNU General Public License along
  *     with this program; if not, write to the Free Software Foundation, Inc.,
- *     675 Mass Ave, Cambridge, MA 02139, USA.
+ *     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  */
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
 #include <errno.h>
 #include <ctype.h>
 #include <signal.h>
+#include <syslog.h>
 
-#include "libsysfs/sysfs/libsysfs.h"
 #include "udev.h"
-#include "udev_lib.h"
-#include "udev_version.h"
-#include "logging.h"
-#include "namedev.h"
+#include "udev_rules.h"
 
-/* global variables */
-char **main_argv;
-char **main_envp;
 
-
-#ifdef LOG
-unsigned char logname[LOGNAME_SIZE];
-void log_message (int level, const char *format, ...)
+#ifdef USE_LOG
+void log_message (int priority, const char *format, ...)
 {
        va_list args;
 
+       if (priority > udev_log_priority)
+               return;
+
        va_start(args, format);
        vprintf(format, args);
        va_end(args);
@@ -55,55 +49,89 @@ void log_message (int level, const char *format, ...)
 
 int main(int argc, char *argv[], char *envp[])
 {
-       char *devpath;
-       char temp[NAME_SIZE];
-       char *subsystem = "";
-       const int fake = 1;
-
-       main_argv = argv;
-       main_envp = envp;
+       struct udev_rules rules = {};
+       char *devpath = NULL;
+       struct udevice *udev;
+       struct sysfs_device *dev;
+       int i;
+       int retval;
+       int rc = 0;
 
        info("version %s", UDEV_VERSION);
+       udev_config_init();
+       if (udev_log_priority < LOG_INFO)
+               udev_log_priority = LOG_INFO;
+
+       for (i = 1 ; i < argc; i++) {
+               char *arg = argv[i];
+
+               if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
+                       printf("Usage: udevtest [--help] <devpath>\n");
+                       goto exit;
+               } else
+                       devpath = arg;
+       }
 
-       if (argv[1] == NULL) {
-               info("udevinfo expects the DEVPATH of the sysfs device as a argument");
+       if (devpath == NULL) {
+               fprintf(stderr, "devpath parameter missing\n");
+               rc = 1;
                goto exit;
        }
 
-       /* initialize our configuration */
-       udev_init_config();
-
-       /* remove sysfs_path if given */
-       if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
-               devpath = argv[1] + strlen(sysfs_path);
-       else
-               if (argv[1][0] != '/') {
-                       /* prepend '/' if missing */
-                       strfieldcpy(temp, "/");
-                       strfieldcat(temp, argv[1]);
-                       devpath = temp;
-               } else {
-                       devpath = argv[1];
-               }
+       sysfs_init();
+       udev_rules_init(&rules, 0);
+
+       /* remove /sys if given */
+       if (strncmp(devpath, sysfs_path, strlen(sysfs_path)) == 0)
+               devpath = &devpath[strlen(sysfs_path)];
 
-       info("looking at '%s'", devpath);
+       dev = sysfs_device_get(devpath);
+       if (dev == NULL) {
+               fprintf(stderr, "unable to open device '%s'\n", devpath);
+               rc = 2;
+               goto exit;
+       }
 
-       /* we only care about class devices and block stuff */
-       if (!strstr(devpath, "class") &&
-           !strstr(devpath, "block")) {
-               info("not a block or class device");
+       udev = udev_device_init();
+       if (udev == NULL) {
+               fprintf(stderr, "error initializing device\n");
+               rc = 3;
                goto exit;
        }
 
-       /* initialize the naming deamon */
-       namedev_init();
+       /* override built-in sysfs device */
+       udev->dev = dev;
+       strcpy(udev->action, "add");
+       udev->devt = udev_device_get_devt(udev);
+
+       /* simulate node creation with test flag */
+       udev->test_run = 1;
+
+       setenv("DEVPATH", udev->dev->devpath, 1);
+       setenv("SUBSYSTEM", udev->dev->subsystem, 1);
+       setenv("ACTION", "add", 1);
 
-       if (argv[2] != NULL)
-               subsystem = argv[2];
+       printf("This program is for debugging only, it does not create any node,\n"
+              "or run any program specified by a RUN key. It may show incorrect results,\n"
+              "if rules match against subsystem specfic kernel event variables.\n"
+              "\n");
 
-       /* simulate node creation with fake flag */
-       udev_add_device(devpath, subsystem, FAKE);
+       info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
+       retval = udev_device_event(&rules, udev);
+       if (retval == 0 && !udev->ignore_device && udev_run) {
+               struct name_entry *name_loop;
+
+               list_for_each_entry(name_loop, &udev->run_list, node) {
+                       char program[PATH_SIZE];
+
+                       strlcpy(program, name_loop->name, sizeof(program));
+                       udev_rules_apply_format(udev, program, sizeof(program));
+                       info("run: '%s'", program);
+               }
+       }
 
 exit:
-       return 0;
+       udev_rules_cleanup(&rules);
+       sysfs_cleanup();
+       return rc;
 }